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{26d264d2-014c-4f07-bf2c-ebf9aed40cef}w.sys

glindorus

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {26d264d2-014c-4f07-bf2c-ebf9aed40cef}w.sys by glindorus has been detected as adware by 7 anti-malware scanners. It runs as a Windows kernel mode device driver named “{26d264d2-014c-4f07-bf2c-ebf9aed40cef}w”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by glindorus)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
bb3dbe07f4fefa0f400b6bc3d0b90561

SHA-1:
7f2d8cc29e454d34bc61288b457f174a8da5e49f

SHA-256:
02d9f9ed46256a145c8e3816050e82683633fd2314d423ba715a9f0e862b986c

Scanner detections:
7 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/26/2024 2:37:46 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Cling
2015.0.3398

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14729

Dr.Web
Trojan.BPlug.123
9.0.1.05190

herdProtect (fuzzy)
variant of {1b646e65-56b2-4543-b72c-0e8976cf559e}gw.sys (Adware)
2014.9.10.4

Reason Heuristics
PUP.glindorus.k
14.8.7.21

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

File size:
51.7 KB (52,920 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{26d264d2-014c-4f07-bf2c-ebf9aed40cef}w.sys

Digital Signature
Signed by:
glindorus

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 1:00:00 AM

Valid to:
9/20/2015 12:59:59 AM

Subject:
CN=glindorus, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=glindorus, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
38CA8426D3AC22743D3790B6CAB486B4

File PE Metadata
Compilation timestamp:
1/31/2014 12:45:28 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:oIsHpnKHCBSqUPJHKQpkJxpKwT2bcWiJmOtX3g2rp3lnHbjiD:vsHRKHLJqQpkYwTsiTtXxt7mD

Entry address:
0xC03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 62, 50, FF, FF, CC, CC, 74, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BC, C4, 00, 00, C0, A0, 00, 00, B4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 12, C5, 00, 00, 00, A0, 00, 00, EC, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, C8, 00, 00, 38, A0, 00, 00, C4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, C9, 00, 00, 10, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, EA, C4, 00, 00, FE, C4, 00, 00, D6, C4...
 
[+]

Entropy:
6.3562

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{26d264d2-014c-4f07-bf2c-ebf9aed40cef}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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